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