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