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