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