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