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