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