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