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