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