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