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