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