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