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)(17,18,23,26)(19,21,20,24)(22,30,31,25)(27,32,28,29)(33,34)(35,39)(36,44)(37,41)(38,42)(40,46)(43,47)(45,48)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,16)(13,15)(17,19,23,20)(18,24,26,21)(22,27,31,28)(25,32,30,29)(35,42)(38,39)(43,45)(47,48)(3,9)(5,13)(7,10)(8,12)(17,19,23,20)(18,24,26,21)(22,28,31,27)(25,29,30,32)(33,35,37,42)(34,38,41,39)(36,45,46,43)(40,48,44,47)(1,4,6,2)(3,10,9,7)(5,8,13,12)(11,14,15,16)(17,20,23,19)(18,21,26,24)(22,28,31,27)(25,29,30,32)(33,34)(35,38)(36,40)(37,41)(39,42)(43,47)(44,46)(45,48)(1,5,6,13)(2,8,4,12)(3,11,9,15)(7,14,10,16)(17,21)(18,20)(19,26)(22,29)(23,24)(25,28)(27,30)(31,32)(33,35)(34,39)(36,43)(37,42)(38,41)(40,48)(44,47)(45,46)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,16)(13,15)(17,22,23,31)(18,25,26,30)(19,27,20,28)(21,29,24,32)(33,36,37,46)(34,40,41,44)(35,43,42,45)(38,47,39,48)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.