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