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