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