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