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)(11,15)(12,13)(14,16)(17,18,23,24)(19,21,20,22)(2,5)(6,8)(9,10)(11,14)(12,13)(15,16)(17,19)(18,21)(20,23)(22,24) involution — undirected(1,3,4,7)(2,6,5,8)(10,13)(14,15)(17,18,22,20,23,24,21,19)(9,11,12,16)(10,14,13,15)(17,20,22,24,23,19,21,18)(2,5)(6,8)(17,21,23,22)(18,20,24,19)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.