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