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