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