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