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