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