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