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