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