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