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