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