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