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