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