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