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