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