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