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