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