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