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