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