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