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)(19,21)(20,24)(22,25)(23,26)(27,29)(28,30)(31,32)(1,3,6,5)(2,7,4,8)(9,10,12,13)(11,14,15,16)(17,19,23,24)(18,20,26,21)(22,30,32,27)(25,29,31,28)(2,4)(7,8)(17,20,23,21)(18,24,26,19)(22,28,32,29)(25,30,31,27)(1,4,6,2)(3,8,5,7)(9,11,12,15)(10,14,13,16)(17,21,23,20)(18,24,26,19)(22,29,32,28)(25,30,31,27)(1,5,6,3)(2,8,4,7)(17,18)(19,20)(21,24)(22,31)(23,26)(25,32)(27,29)(28,30)(17,22)(18,25)(19,27)(20,28)(21,29)(23,32)(24,30)(26,31) 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.