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