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)(13,14,18,22)(15,19,26,35)(16,20,30,39)(17,21,31,40)(23,32,25,34)(24,33,27,36)(28,37,29,38)(41,43,42,44)(1,2,4,3)(6,9)(10,12)(13,15,18,26)(14,19,22,35)(16,27,30,24)(17,23,31,25)(20,36,39,33)(21,32,40,34)(28,42,29,41)(37,44,38,43)(1,3,4,2)(5,7,8,11)(6,10,9,12)(15,23)(16,28)(17,31)(19,32)(20,37)(21,40)(25,26)(29,30)(34,35)(38,39)(41,42)(43,44)(13,16)(14,20)(15,24)(17,28)(18,30)(19,33)(21,37)(22,39)(23,41)(25,42)(26,27)(29,31)(32,43)(34,44)(35,36)(38,40) involution — undirected(15,25)(16,28)(17,31)(19,34)(20,37)(21,40)(23,26)(24,27)(29,30)(32,35)(33,36)(38,39) involution — undirectedA 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.