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