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)(11,14)(12,15)(13,16)(17,18,22,21)(19,24,20,23)(25,26)(27,28)(29,32)(30,31)(1,3,6,4)(2,7,5,8)(9,11)(10,12)(13,15)(14,16)(17,18,22,21)(19,23,20,24)(25,26,29,32)(27,28,31,30)(9,11)(10,12)(13,15)(14,16)(17,19,22,20)(18,23,21,24)(25,27)(26,30)(28,32)(29,31)(1,4,6,3)(2,7,5,8)(9,11)(10,14)(12,16)(13,15)(17,20,22,19)(18,24,21,23)(25,27)(26,28)(29,31)(30,32)(1,5,6,2)(3,8,4,7)(9,12,13,14)(10,15,16,11)(17,21,22,18)(19,24,20,23)(25,28)(26,31)(27,32)(29,30)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.