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