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