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