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