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