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