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