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