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