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