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