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