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