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