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