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