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