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