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