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