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