One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(13,14,19,32,18,22,17,23)(15,24,31,20,27,37,26,35)(16,28,33,36,29,21,30,43)(25,39,44,42,40,38,41,34)(5,6)(7,10)(8,9)(11,12)(13,15,18,27)(14,20,22,35)(16,25,29,40)(17,31,19,26)(21,34,28,42)(23,37,32,24)(30,44,33,41)(36,39,43,38)(2,4)(6,9)(10,12)(13,16,18,29)(14,21,22,28)(15,25,27,40)(17,30,19,33)(20,34,35,42)(23,36,32,43)(24,38,37,39)(26,41,31,44)(5,7)(6,10)(8,11)(9,12)(14,22)(16,29)(20,35)(23,32)(24,37)(25,40)(30,33)(41,44) involution — undirected(7,11)(10,12)(14,22)(20,35)(21,28)(23,32)(24,37)(34,42)(36,43)(38,39) 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.