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