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