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