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