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