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)(17,18,21,27,22,26,32,25)(19,28,30,31,29,23,20,24)(1,3)(2,6)(4,7)(5,8)(9,10)(11,15)(12,14)(13,16)(17,19,22,29)(18,23,26,28)(20,21,30,32)(24,25,31,27)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,18)(19,28)(20,31)(21,25)(22,26)(23,29)(24,30)(27,32)(1,2,5,4)(3,7,8,6)(11,16)(13,15)(17,20)(18,24)(19,21)(22,30)(23,25)(26,31)(27,28)(29,32)(1,4,5,2)(3,7,8,6)(10,14)(13,15)(17,21,22,32)(18,25,26,27)(19,20,29,30)(23,24,28,31)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.