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