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