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)(12,14)(13,16)(17,18)(19,24)(20,22)(21,23) involution — undirected(9,11,14,16)(10,15,12,13)(17,19,21,20)(18,22,23,24)(6,7)(10,12)(11,16)(17,18,21,23)(19,22,20,24)(1,2,3,4)(5,7,8,6)(9,12,14,10)(11,13,16,15)(17,18)(19,22)(20,24)(21,23)(9,13)(10,11)(12,16)(14,15)(17,20,21,19)(18,22,23,24)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.