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