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