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