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