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