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)(23,29)(24,39)(25,31)(26,32)(27,42)(28,33)(30,40)(34,48)(35,44)(36,45)(37,51)(38,46)(41,47)(43,49)(50,52) involution — undirected(1,2)(3,4)(5,7,9,15)(6,10,11,13)(8,16,17,14)(12,20,19,18)(21,23,28,38)(22,29,33,46)(24,34,25,35)(26,36,27,37)(30,43,47,52)(31,44,39,48)(32,45,42,51)(40,49,41,50)(2,4)(21,24,28,25)(22,30,33,47)(23,34,38,35)(26,40,27,41)(29,43,46,52)(31,42,39,32)(36,49,37,50)(44,51,48,45)(6,11)(10,13)(12,19)(18,20)(21,25,28,24)(22,31,33,39)(23,35,38,34)(26,40,27,41)(29,44,46,48)(30,42,47,32)(36,49,37,50)(43,51,52,45)(2,4)(5,8,9,17)(6,12,11,19)(7,14,15,16)(10,18,13,20)(21,26,28,27)(22,32,33,42)(23,36,38,37)(24,40,25,41)(29,45,46,51)(30,31,47,39)(34,49,35,50)(43,44,52,48)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.