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