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