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