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