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