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