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