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