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)(20,29)(21,25)(22,26)(23,28)(24,30)(31,32)(2,5)(6,8)(9,11,13,12)(10,14,15,16)(17,19,22,30)(18,24,26,27)(20,28,31,25)(21,32,23,29)(11,12)(14,16)(17,20,21,24,22,31,23,27)(18,19,28,32,26,30,25,29)(1,3,4,7)(2,6,5,8)(9,12,13,11)(10,14,15,16)(17,21,22,23)(18,25,26,28)(19,29,30,32)(20,24,31,27)(11,12)(14,16)(19,30)(20,31)(24,27)(29,32) 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.