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