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