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