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