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