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