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