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