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