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