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