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