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)(19,26)(20,29)(21,24)(22,30)(23,25)(27,28)(31,32)(33,34)(35,40)(36,37)(38,47)(39,43)(41,46)(42,44)(45,48)(1,3,7,4)(2,8,9,6)(5,12,14,11)(10,13,16,15)(17,19,23,21)(18,24,25,26)(20,27,30,31)(22,28,29,32)(33,35,39,45)(34,40,43,48)(36,44,46,38)(37,42,41,47)(2,9)(3,4)(10,16)(11,12)(18,25)(20,30)(24,26)(27,31)(33,36,39,46)(34,41,43,37)(35,38,45,44)(40,42,48,47)(1,4,7,3)(2,6,9,8)(5,12,14,11)(10,13,16,15)(17,20)(18,22)(19,27)(21,31)(23,30)(24,28)(25,29)(26,32)(33,36)(34,37)(35,44)(38,45)(39,46)(40,42)(41,43)(47,48)(1,5)(2,10)(3,11)(4,12)(6,13)(7,14)(8,15)(9,16)(17,21,23,19)(18,24,25,26)(20,31,30,27)(22,28,29,32)(33,37)(34,36)(35,42)(38,48)(39,41)(40,44)(43,46)(45,47)(1,6)(2,3)(4,9)(5,13)(7,8)(10,11)(12,16)(14,15)(17,22)(18,20)(19,28)(21,32)(23,29)(24,27)(25,30)(26,31)(33,38,39,44)(34,42,43,47)(35,36,45,46)(37,40,41,48)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.