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