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