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