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