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