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