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