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