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