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