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