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