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