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