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