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)(17,18,23,22)(19,21,26,31)(20,24,29,28)(25,30,32,27)(1,3,5,4)(2,6,7,8)(9,11)(10,13)(12,15)(14,16)(17,19)(18,21)(20,25)(22,31)(23,26)(24,30)(27,28)(29,32)(1,4,5,3)(2,6,7,8)(10,14)(11,15)(17,20,23,29)(18,24,22,28)(19,25,26,32)(21,30,31,27)(10,14)(13,16)(17,21,18,19,23,31,22,26)(20,27,24,32,29,30,28,25)(2,7)(6,8)(17,18,23,22)(19,21,26,31)(20,28,29,24)(25,27,32,30)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.