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