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