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