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