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