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