One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(21,22,27,31)(23,32,35,42)(24,29,37,45)(25,30,26,39)(28,40,43,34)(33,47,50,52)(36,44,38,46)(41,48,51,49)(5,6)(7,11)(8,12)(9,10)(13,19)(14,17)(15,20)(16,18)(21,23)(22,28)(24,33)(25,34)(26,40)(27,35)(29,41)(30,42)(31,43)(32,39)(36,48)(37,50)(38,49)(44,47)(45,51)(46,52) involution — undirected(2,4)(6,10)(11,17)(12,18)(19,20)(21,24,27,37)(22,29,31,45)(23,33,35,50)(25,38,26,36)(28,41,43,51)(30,46,39,44)(32,47,42,52)(34,49,40,48)(5,7,9,14)(6,11,10,17)(8,15,16,13)(12,20,18,19)(21,25,27,26)(22,30,31,39)(23,34,35,40)(24,36,37,38)(28,42,43,32)(29,44,45,46)(33,48,50,49)(41,47,51,52)(5,8,9,16)(6,12,10,18)(7,13,14,15)(11,19,17,20)(22,31)(28,43)(29,45)(30,39)(32,42)(41,51)(44,46)(47,52)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.