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