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