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