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