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