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