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