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