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