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