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