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