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