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