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