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