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