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