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