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