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