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