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