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