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