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