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