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