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