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