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