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