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