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