Anyone know of any good guides showing how to hook up a fuse box to accept a
generator? I want to hook up a 4-wire, 220v 30A connection straight into
the box to power the whole home (obviously not everything in it, just what I
choose to turn on).

There should be some websites or documents out there which show what to do.
I know much of what needs to be done, I just need to know the specifics.