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