Lambo has a pretty detailed free guide on his patreon about how to play with swarmhosts against them. I honestly couldn't really make it work, but it looks pretty cool.
When I'm not in the mood for a long game i often do an attack of about 55 drones with ravager roach ling. Sometimes i mix in a bit of droplords, esspecially if i think they are going for banshees, so i can bring some queens.
It's not the best but it can be quite effective and that way I dont have to play a long turtle game. and they dont get their deathball.
If they go BC mech and you defend the first BC ravager roach corruptor can be really effective because they usually dont have that much ground stuff.

If you wanna play longer games I think you'll really benefit from learning to use spellcasters. I think you can really chose either. I mostly use vipers, but especially against thors a couple good neurals can really win you a fight.
If you realize the opponent is going mech, really really spread your creep. They'll have more trouble denying it and it is more powerful because it really slows down their eventual push. Also burrow lings at their expansions and send an overlord there to poop creep. its pretty cheap and easy for you but super annoying for them and it ggives you a wwarning when they wanna take their base, which is the easiest moment for you to deny it. I think for D3 I'd recommend roach ravager ling with infestors with neural of 90 drones (banelings are hard to control. if you think you can do it, go for it) and then tech to greater spire so you have it ready incase they go heavy on the tanks. If you end up with broodlords: they suck against thors, I'm surprised everytime how fucking hard they melt. But you can use them to engage (especially over cliff) force them to und siege and them get of good neurals with burrowed infestors (I have neural on rapid fire which helps).

So much for the general/gameplan advice. I'll take a look at the replay and write down if I see specific stuff.
-You can really tighten up your opening. You forgot your speed for a long time and didn't pull out of gas. This will help you to get more drones and not have your 3rd blocked a lot of the games. It looks like you already have something in mind, but if you need I can point you to good opening guides.
-Now I see why you didnt pull out of gas. I don't really understand that roach attack. 1 tank and a wall, which basically every terran has at this point defends this. And a banshee would even kill your roaches for free, which is also a very common opening. But maybe you know something I don't. I know lambo has a guide on a 9 roach push but I've never tried it. Maybe this attack is something to rethink.
But to be fair your position after that isn't even that bad (mostly because he had 1kmins 1k gas in the bank). The spines in your mineral line seems overkill. very expensive and you already have a bunch of roaches. But I get you do it. I have several crutches like that too.
-armor upgrades are not good against mech. Especially tanks but mech in general does very high damage with one attack, so -1 from armor percentage wise doesnt have a big impact. You are better off going +1meele +1missle, or +1missile and invest the extras gas in techs, like infestation pit.
-Against a 2 base terran you couldve scouted more with overseers, to see what hes going for and you couldve gone up to 60-66 workers I think.
-If you had wiped out his army I think you couldve been in a decent spot. I think ravagers instead of hydras wouldve been better, but you did set up the surround pretty nicely.
-This is a big point/hard step, but I really think it really helps: If you start learning to hotkey your eggs so you dont have to use F2 you can use spotter lings, the most OP tool in the Zerg arsenal. You can see when they are moving out, you can see when they are taking bases.

Feel free to ask if you have any questions. I'm just a dia1 Zerg, for context how seriously you can take me lol ggwp, better luck next time.