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