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