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