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