That background seems pretty cool as it is -- I like the changing colors. Maybe try playing with depth as well, along the lines of the T=450 point of the LifeViewer demo pattern here
https://conwaylife.com/wiki/LifeViewer
-- or go for broke and steal some code from
https://oimo.io/works/life/
for an infinite zoom into (or out of) a fractal Life pattern.