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