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