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