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)(19,23)(20,26)(21,24)(22,25)(27,31)(28,32)(29,30)(1,2)(3,6)(4,5)(7,8)(9,10)(11,14)(12,15)(13,16)(17,19,22,20)(18,23,25,26)(21,28,30,27)(24,32,29,31)(2,4)(6,8)(9,11,13,12)(10,14,16,15)(17,18,22,25)(19,26,20,23)(21,29,30,24)(27,31,28,32)(3,7)(6,8)(17,18)(19,23)(20,26)(21,24)(22,25)(27,31)(28,32)(29,30) involution — undirected(1,3,5,7)(2,6,4,8)(9,12,13,11)(10,15,16,14)(17,20,22,19)(18,23,25,26)(21,28,30,27)(24,31,29,32)(1,4,5,2)(3,8,7,6)(17,21,22,30)(18,24,25,29)(19,27,20,28)(23,31,26,32)A 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.