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