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