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