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