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