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