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