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