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