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