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