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