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