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