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