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