One vertex per element, one color per generator, with an edge from x to x·s.
(3,7)(6,8)(9,10,12,14)(11,13,15,16)(17,18,21,22)(19,20,23,24)(25,26,29,28)(27,30,32,31)(11,15)(13,16)(18,22)(19,23)(25,27,29,32)(26,30,28,31)(1,2,5,4)(3,6,7,8)(9,10)(11,13)(12,14)(15,16)(17,19,21,23)(18,20,22,24)(25,27)(26,30)(28,31)(29,32)(1,3,5,7)(2,6,4,8)(9,11)(10,13)(12,15)(14,16)(17,20,21,24)(18,23,22,19)(25,28,29,26)(27,31,32,30)(1,4,5,2)(3,8,7,6)(9,10)(11,13)(12,14)(15,16)(17,18)(19,20)(21,22)(23,24)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.