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