What Did Helios do?

Answer 1

Helios drove the sun, he was the sun. When he was done driving the sun around the world (which, evidently, took less time because they believed that the earth was flat) he would but his four horses back in their stables, and relax at his temple.

Answer 2

The looks of the gods are not always described in what was originally oral traditions, later put in writing. Ancient an later artists have been quite free in figuring out the looks of them.

Click link below to see a depiction of the Colossus of Rhodes, the most famous depiction of Helios.

Answer 3

Helios was depicted as a handsome, and usually beardless, man clothed in purple robes and crowned with the shining aureole of the sun.