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)(20,26)(21,28)(22,27)(23,25)(29,32)(30,31)(34,40)(35,36)(37,48)(44,47)(2,4)(7,9)(8,12)(14,15)(17,19)(18,24)(20,22)(21,25)(23,28)(26,27)(29,30)(31,32)(33,34)(35,41)(36,45)(37,38)(39,40)(42,48)(43,47)(44,46) involution — undirected(5,13)(8,12)(10,16)(14,15)(18,25)(19,28)(22,29)(26,31)(33,35,39,36)(34,41,40,45)(37,43,48,46)(38,47,42,44)(1,3,6,11)(2,7,4,9)(5,10,13,16)(8,14,12,15)(17,20)(18,26)(19,29)(21,27)(22,28)(23,30)(24,32)(25,31)(33,36,39,35)(34,41,40,45)(37,46,48,43)(38,47,42,44)(1,4,6,2)(3,9,11,7)(5,12,13,8)(10,15,16,14)(17,21)(18,19)(20,27)(22,31)(23,24)(25,28)(26,29)(30,32)(33,37)(34,42)(35,43)(36,46)(38,40)(39,48)(41,44)(45,47)(1,5,6,13)(2,8,4,12)(3,10,11,16)(7,14,9,15)(17,22,23,29)(18,27,25,32)(19,20,28,30)(21,31,24,26)(33,38,39,42)(34,37,40,48)(35,44,36,47)(41,46,45,43)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.