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