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