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