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