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