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