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