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