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