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