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