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