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