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