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