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