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