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