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