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