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)(11,16)(12,14)(13,15)(17,18)(19,24)(20,23)(21,22)(25,26,28,29)(27,30,31,32)(2,3)(6,7)(9,11,13,12)(10,14,15,16)(17,19)(18,20)(21,24)(22,23)(26,29)(30,32)(4,8)(6,7)(11,12)(14,16)(18,21)(19,23)(25,27,28,31)(26,30,29,32)(1,3,5,2)(4,7,8,6)(9,10)(11,16)(12,14)(13,15)(17,20,22,24)(18,23,21,19)(25,26)(27,30)(28,29)(31,32)(1,4)(2,6)(3,7)(5,8)(9,12,13,11)(10,14,15,16)(17,21,22,18)(19,24,23,20)(25,27)(26,30)(28,31)(29,32)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.