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