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