One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(9,10,14,15,13,12,11,16)(17,18)(19,22)(20,23)(21,25)(24,28)(26,29)(27,31)(30,32)(1,2)(3,6)(4,5)(7,8)(9,11,13,14)(10,15,12,16)(17,19,21,27)(18,22,25,31)(20,26,28,32)(23,29,24,30)(1,3,4,7)(2,6,5,8)(9,12,13,10)(11,15,14,16)(18,23)(20,28)(22,29)(24,25)(26,32)(30,31)(2,5)(6,8) involution — undirectedA 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.