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