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