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