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