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