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