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