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