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