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