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