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