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