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)(1,2)(3,6)(4,8)(5,7)(9,11)(10,13)(12,16)(14,15)(17,18,22,27)(19,28,20,24)(21,25,31,26)(23,30,32,29)(10,14)(13,15)(17,19,22,20)(18,23,27,32)(21,30,31,29)(24,25,28,26)(1,3,5,4)(2,6,7,8)(10,14)(13,15)(17,20,22,19)(18,24,27,28)(21,30,31,29)(23,25,32,26)(1,4,5,3)(2,6,7,8)(11,16)(13,15)(18,25)(21,31)(23,28)(24,32)(26,27)(29,30)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.