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