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