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