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