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