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