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