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