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)(11,14)(12,13)(15,16)(18,22)(20,23)(25,26,28,29)(27,30,32,31)(2,3)(4,8)(9,10,12,13)(11,15,16,14)(17,18,21,22)(19,23,24,20)(26,29)(30,31)(2,3)(6,7)(10,13)(14,15)(18,22)(19,24)(25,27,28,32)(26,30,29,31)(1,3,5,2)(4,6,8,7)(9,10)(11,15)(12,13)(14,16)(17,19)(18,23)(20,22)(21,24)(25,27)(26,31)(28,32)(29,30)(1,4,5,8)(2,6,3,7)(9,11,12,16)(10,14,13,15)(17,20,21,23)(18,24,22,19)(25,26)(27,30)(28,29)(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.