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