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