One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(5,6)(7,15)(8,12)(9,13)(10,14)(11,17)(16,20)(18,19)(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)(5,7,10,17)(6,11,14,15)(8,16,9,18)(12,19,13,20)(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)(5,8,10,9)(6,12,14,13)(7,16,17,18)(11,19,15,20)(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)(5,9,10,8)(6,13,14,12)(7,16,17,18)(11,19,15,20)(23,33)(27,31)(32,47)(34,46)(40,43)(41,44)(45,49)(48,52)(1,3,4,2)(6,14)(11,15)(12,13)(19,20)(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.