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