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