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)(18,23)(19,25)(21,29)(28,30)(33,34)(35,43)(36,41)(37,46)(38,40)(39,42)(44,48)(45,47)(1,2)(3,9)(4,8)(5,6)(7,11)(10,15)(12,13)(14,16)(17,18,22,23)(19,24,25,20)(21,26,29,31)(27,30,32,28)(33,35,39,38)(34,40,42,43)(36,44,37,45)(41,47,46,48)(2,6)(7,9)(8,12)(14,15)(17,19,22,25)(18,24,23,20)(21,27,29,32)(26,30,31,28)(33,36,39,37)(34,41,42,46)(35,44,38,45)(40,47,43,48)(1,2)(3,7)(4,8)(5,6)(9,11)(10,14)(12,13)(15,16)(17,19)(18,24)(20,23)(21,27)(22,25)(26,30)(28,31)(29,32)(33,37,39,36)(34,41,42,46)(35,45,38,44)(40,47,43,48)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,15)(13,16)(17,20,22,24)(18,25,23,19)(21,30,29,28)(26,27,31,32)(33,34)(35,40)(36,41)(37,46)(38,43)(39,42)(44,47)(45,48)(1,4)(2,8)(3,10)(5,13)(6,12)(7,14)(9,15)(11,16)(17,21)(18,26)(19,27)(20,28)(22,29)(23,31)(24,30)(25,32)(33,38,39,35)(34,40,42,43)(36,45,37,44)(41,47,46,48)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.