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