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