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