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