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