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