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