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