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