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