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