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