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