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