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