One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,9,6,10,4,7)(3,11,14,16,12,15,13,8)(17,18,21,26,22,27,20,25)(19,24,28,23,30,31,29,32)(2,7,10,9)(3,12)(8,11,16,15)(13,14)(17,19)(18,23)(20,28)(21,29)(22,30)(24,26)(25,31)(27,32)(1,3,4,13,6,12,5,14)(2,8,9,11,10,16,7,15)(17,19)(18,24)(20,29)(21,28)(22,30)(23,26)(25,32)(27,31)(17,20,22,21)(18,25,27,26)(19,28,30,29)(23,31,32,24)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.