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