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