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