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