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