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