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