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