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