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