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