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)(1,2)(3,6)(4,5)(7,8)(9,11,13,12)(10,14,15,16)(17,18,22,25)(19,24,28,32)(20,26,21,30)(23,29,31,27)(10,15)(14,16)(17,19,22,28)(18,23,25,31)(20,27,21,29)(24,26,32,30)(1,3,4,7)(2,6,5,8)(17,19)(18,24)(20,29)(21,27)(22,28)(23,30)(25,32)(26,31)(2,5)(6,8)(9,12,13,11)(10,16,15,14)(17,20)(18,25)(19,27)(21,22)(23,31)(28,29)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.