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