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