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