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