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)(15,25)(16,30)(17,23)(18,21)(19,24)(20,27)(22,33)(26,35)(28,36)(29,34)(31,38)(32,37)(39,42)(40,44)(41,43) involution — undirected(5,7,8,11)(6,9,10,12)(13,15,19,29,18,28,17,27)(14,20,23,36,21,34,24,25)(16,26,33,42,31,40,32,41)(22,35,30,43,37,44,38,39)(6,10)(9,12)(14,21)(16,31)(20,34)(23,24)(25,36)(26,40)(32,33)(41,42) involution — undirected(2,4)(13,16,17,32,18,31,19,33)(14,22,24,38,21,37,23,30)(15,26,27,41,28,40,29,42)(20,35,25,39,34,44,36,43)(13,17,18,19)(14,23,21,24)(15,27,28,29)(16,32,31,33)(20,36,34,25)(22,30,37,38)(26,41,40,42)(35,43,44,39)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.