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