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