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