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