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