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