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