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