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