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