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