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