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