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