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