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