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