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