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