What's this style of abstract art called?

It isn’t abstract. Abstraction refers to imagery that is non representational. This is representational and figurative. In a broad sense you could call it stylized, but that just means it is interpretive rather than strict in it’s representation. I’m not sure if there’s a name for this particular style. If it is it’s probably a made-up art word like “painterly”.

“The colors are diapers”? Can you explain?

I agree with @fundevogel that is not abstract.

It looks expressionist to me.

“Colors are distorted.”
Yeah. Auto correct at its best again.

Expressionist.

Is Expressionism one major Post Impressionist style Vincent van Gogh pioneer.