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