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