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