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