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