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