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