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