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