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