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