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