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