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