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