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