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