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